<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
      /* #pid{
        color: yellow;
      } */
      /* p{
        color: green !important;
      } */
      .p1 {
        color: red;
      }
      p{
        color: #333;
      }
      *{
        color: #444;
      }
      body{
        color: #666;
      }
      </style>
</head>
<body>
    <div>
      <p id="pid" class="p1">段落的内容</p>
    </div>
</body>
</html>